Bombs drop on Qumar upon Walken's orders; as the hours pass without any word on Zoey's whereabouts, tensions increase within the Bartlet family; Walken and Leo clash after Josh's suspicion that the opposition is using Walken's tenure in the Oval Office to advance their agenda is confirmed; Andy takes the twins home; Leo inflicts a new intern from a prominent political family on an unwilling Josh; Jed's staff is less than thrilled when they learn who will succeed Walken as Speaker of the House; the search for a new Vice President is accelerated; Zoey is rescued.

When he realizes that his first choice for Vice President faces an uphill fight for nomination, Jed nominates a congressman that none of the staff can get excited about; Josh is less than thrilled with his new intern.

Josh fails to sway an unruly congressman who insists on voting against the administration on the vice presidential confirmation, but Ryan reaches out to get him to change his mind; Leo fears that the potential defection of a prominent North Korean pianist will jeopardize secret nuclear disarmament talks; Will and Toby are humiliated when an early draft of a speech outlining their struggle to laud Bob Russell's confirmation is erroneously substituted for the final version; Donna's aunt and uncle from Wisconsin pay a visit, testing Josh's ability to refrain from bad cheesehead jokes during their tour of the White House; the staff struggles over how to language the state of the economy; fearing that the administration is drifting off-course, Toby wants to hand over more responsibilities to Will in order to focus on getting back to their core message.

Will Bailey receives an offer to become Vice President Russell's top aide. Amy Gardner does some skillful lobbying for domestic violence prevention which gets the wrath of Bartlet. A conservative democratic senator switches parties.

The fallout on the Hill from Carrick's switch to the Republican party exiles Josh deep into a White House doghouse, so C.J. gives Donna some tips on how she can support him; Jed gets a harsh reality check from C.J. when he lingers too long in a small Oklahoma town devastated by a deadly tornado; in Jed's absence, Leo juggles an impending war between Albania and Greece, a visit from the German chancellor, a tussle over tax cuts, and an over-reaching Secretary of Defense; Josh and Toby are less than thrilled when Leo brings Angela on board to assume some of Josh's responsibilities.

When five navy E-2C Hawkeye crew members are stranded in North Korea, Bartlet orders a risky Navy Seal rescue attempt. C.J. agrees to one on one with a motormouth conservative talk show host

He's back, Former VP John Hoynes, who resigned in sex scandal, makes a bid for political resurrection by trashing Barlet and Leo in a tell-all book. But it's C.J. who's taking the news the hardest,

Jed and the staff vet potential Supreme Court appointees; Toby and Andy don't see eye-to-eye on her fact-finding trip to the Middle East; Donna's parents are the unlikely inspiration for the resolution to the problems arising from the judicial confirmation process.

Hail the conquering hero. Josh returns after nailing down details for a trade agreement. But the devil in the detail, including information kept from Josh. C.J. fights megamedia ownership of local TV.